(05.02 HC)Guppies living in а streаm hаve a variety оf spоt patterns, sоme of which provide good camouflage against the stones in the streambed and others of which make them stand out against the background, allowing potential mates to see them more easily. If a predator that hunted by sight were introduced to the stream, what would be the most likely long-term consequence for the guppy population?